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NFI4
forest area
avalanches SilvaProtect · degree of cover of regeneration (7 classes)
unit of reference: economic region
unit: 1000 ha
unit of evaluation: accessible forest without shrub forest
grid: 1.4 x 1.4 km grid
state2009/17
avalanches SilvaProtect
n/ainside perimeteroutside perimetertotal
economic regiondegree of cover of regeneration (7 classes)1000 ha± %1000 ha± %1000 ha± %1000 ha± %
Western Jura< 1%2.5290.21000.21002.927
1-4%12.7120.21001.83314.711
5-9%15.5111.2414.02220.79
10-25%31.171.0459.51441.66
26-50%22.591.0454.82028.38
51-75%19.690.21004.22124.18
76-100%16.7100.8502.92620.49
total120.624.62027.47152.71
Eastern Jura< 1%1.1450.0.0.21001.341
1-4%3.6230.0.0.4714.122
5-9%1.9330.0.0.4712.330
10-25%7.0160.0.1.5388.615
26-50%10.4130.0.0.65811.012
51-75%7.1160.0.0.0.7.116
76-100%12.0110.0.1.04413.011
total43.230.0.4.12247.42
Western Plateau< 1%1.0440.0.0.0.1.044
1-4%4.8200.0.0.0.4.820
5-9%5.6180.0.0.4716.018
10-25%12.7110.0.1.73514.310
26-50%9.2140.0.1.83311.012
51-75%6.5170.0.0.9507.416
76-100%4.4200.0.0.21004.620
total44.330.0.5.01949.22
Central Plateau< 1%2.1300.0.0.0.2.130
1-4%4.9190.0.0.4715.319
5-9%5.0190.0.1.6356.616
10-25%12.9110.0.2.32815.310
26-50%13.0110.0.3.82216.810
51-75%11.5120.0.1.24112.711
76-100%10.6130.0.0.47010.912
total60.020.0.9.61369.71
Eastern Plateau< 1%3.5230.0.0.0.3.523
1-4%5.4190.0.0.0.5.419
5-9%6.8160.0.0.4717.216
10-25%22.980.0.0.65823.58
26-50%20.390.0.1.73322.09
51-75%20.790.0.2.42923.08
76-100%23.880.0.0.47124.28
total103.410.0.5.519108.91
Western Pre-Alps< 1%1.3380.0.1.6362.826
1-4%2.0320.7502.1304.820
5-9%1.9330.9452.8275.518
10-25%6.4172.1317.01615.510
26-50%3.1250.6593.7237.416
51-75%3.2260.0.2.6285.918
76-100%0.4700.21001.5382.132
total18.494.52021.3844.23
Central Pre-Alps< 1%1.4380.21000.7502.329
1-4%7.5161.0452.92711.513
5-9%8.4151.2417.21616.810
10-25%19.791.83315.31136.86
26-50%9.8140.85010.21420.99
51-75%4.9200.4713.7239.014
76-100%2.6280.4713.1266.218
total54.455.81843.25103.42
Eastern Pre-Alps< 1%1.9310.7502.4275.118
1-4%6.7170.21004.72011.612
5-9%4.8200.4713.7228.914
10-25%11.0130.21009.31420.59
26-50%6.6170.6588.11515.411
51-75%4.4210.4703.7238.515
76-100%2.8270.21001.9314.920
total38.362.72633.8674.82
Northwestern Alps< 1%0.8500.8500.3702.031
1-4%4.0221.4383.9229.414
5-9%3.4242.2305.31910.913
10-25%9.5142.9267.41619.99
26-50%5.1191.5384.52111.013
51-75%1.6351.0442.4285.119
76-100%1.2410.6581.3413.126
total25.8810.41325.2761.43
Central Alps< 1%0.0.0.4710.4710.850
1-4%1.7321.0440.21002.925
5-9%2.5270.8501.3364.619
10-25%4.3201.7322.8268.813
26-50%3.0251.1403.0257.115
51-75%0.8500.6580.6562.031
76-100%0.4710.0.0.4710.850
total12.7105.6178.61326.94
Northeastern Alps< 1%0.9451.3410.9443.124
1-4%3.0250.7582.7266.416
5-9%1.7350.8511.7334.221
10-25%2.5282.7263.7228.814
26-50%1.2410.21002.9244.320
51-75%1.5350.8501.5353.821
76-100%0.5580.4720.9441.931
total11.4126.81614.3932.54
Southwestern Alps< 1%1.6351.1413.3246.118
1-4%7.8167.21612.31227.38
5-9%11.0134.92012.11228.08
10-25%11.2138.21517.41036.76
26-50%5.3192.3299.41417.010
51-75%2.7280.0.2.6285.319
76-100%0.6580.21000.0.0.850
total40.2623.9857.04121.12
Southeastern Alps< 1%5.1203.2256.81715.011
1-4%15.9114.22216.31036.47
5-9%10.4142.52810.41323.39
10-25%20.495.31916.31042.06
26-50%10.2142.5288.91521.79
51-75%5.7181.4383.82311.013
76-100%1.8330.21000.21002.330
total69.5419.4962.74151.62
Southern Alps< 1%4.1221.4386.71712.112
1-4%7.2164.32126.4837.96
5-9%8.7152.32927.2838.26
10-25%9.9143.02528.8841.76
26-50%5.5192.23013.11220.89
51-75%1.5350.0.3.7235.319
76-100%0.6580.21001.4382.230
total37.5713.411107.33158.32
Switzerland< 1%27.489.31523.5960.16
1-4%87.3520.81074.25182.33
5-9%87.7517.11178.35183.13
10-25%181.6328.98123.44333.92
26-50%125.4413.01276.65214.93
51-75%91.944.82033.48130.14
76-100%78.453.22515.71197.34
total679.7197.14425.121201.91
© WSL, Swiss National Forest Inventory, 18.06.2020 #862860/329191
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